<!--
  * 部门 树形选择框

  * @Author:    1024创新实验室-主任：卓大
  * @Date:      2022-09-12 23:05:43
  * @Wechat:    zhuda1024
  * @Email:     lab1024@163.com
  * @Copyright  1024创新实验室 （ https://1024lab.net ），Since 2012
  *
-->
<template>
  <a-tree-select :value="props.value" :treeData="treeData"
    :fieldNames="{ label: 'name', key: 'departmentId', value: 'departmentId' }" show-search style="width: 100%"
    :dropdown-style="{ maxHeight: '400px', overflow: 'auto' }" placeholder="请选择部门" allow-clear
    :multiple="props.multiple" tree-node-filter-prop="name" @change="onChange" />
</template>
<script setup>
import { onMounted, ref } from 'vue';
import { departmentApi } from '/@/api/system/department-api';

const props = defineProps({
  // 绑定值
  value: Number,
  // 单选多选
  multiple: {
    type: Boolean,
    default: false,
  },
});

const emit = defineEmits(['update:value']);

let treeData = ref([]);
onMounted(queryDepartmentTree);

async function queryDepartmentTree() {
  let res = await departmentApi.queryDepartmentTree();
  treeData.value = res.data;
}

function onChange(e, it) {
  emit('update:value', e, it[0]);
}

defineExpose({
  queryDepartmentTree,
});
</script>
